DM 406 H is our powerful hydraulic core drill for drilling holes up to 24 in. diameter. An excellent choice for heavy-duty core drilling applications where high production rates are needed, especially with large diameter core bits. The hydraulic speed can be changed while drilling, making the DM 406 H efficient and very easy to use. Suitable for large and deep holes, waste evacuation pipes and stitch drilling in a variety of materials including reinforced concrete.

Recommended Drill Stands  DS 900 and DS 800 

• Six speeds accomodate 2" to 24" bits
• Two mechanicl and three hydraulic gears provide a wide range of RPM's and maximum power and production
• The Hydraulic speed control enables the operator to change spindle speeds while drilling

Specs

Flow Requirements 10 GPM @2000PSI
High Range motor speed 1400/980/120
Recommended drill diameter high range, 1n (mm) 1"-6" (25-152)
Low Range motor speed 340/230/120
Recommended bit diameter low range, in (mm) 6"-24" (152-610)
Weight lbs (kg) 35 (15.9)
Spindle Thread 1-1/4 -7